18409917

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 26334720

約数和(自身を除く): 7924803

約数列:

[1, 3, 19, 57, 89, 191, 267, 361, 573, 1083, 1691, 3629, 5073, 10887, 16999, 32129, 50997, 68951, 96387, 206853, 322981, 968943, 6136639, 18409917]

約数ペア:

[(1, 18409917), (3, 6136639), (19, 968943), (57, 322981), (89, 206853), (191, 96387), (267, 68951), (361, 50997), (573, 32129), (1083, 16999), (1691, 10887), (3629, 5073)]